package com.nowcoder.community.util;

import com.alibaba.fastjson.JSONObject;
import org.apache.commons.lang3.StringUtils;
import org.springframework.util.DigestUtils;

import java.util.Map;
import java.util.UUID;

public class CommunityUtil {
    //生成随机字符串
    public static String generateUUID(){
        return UUID.randomUUID().toString().replaceAll("-", "");
    }

    //MD5加密
     public static String md5(String key){
        if(StringUtils.isBlank(key)){
            return null;
        }
        return DigestUtils.md5DigestAsHex(key.getBytes());
     }

     public static String getJSONString(int code, String msg, Map<String,  Object> map){
         JSONObject json = new JSONObject();
         json.put("code", code);
         json.put("msg", msg);
         if(map != null){
             for(String key:map.keySet()){
                 json.put(key, map.get(key));
             }
         }
         return json.toJSONString();
     }

     public static String getJSONString(int code, String msg){
        return getJSONString(code, msg, null);
     }

     public static String getJSONString(int code){
        return getJSONString(code, null, null);
     }
}
